A Guide to Visiting the Abraham Lake Bubbles
Abraham Lake in Alberta's David Thompson Country is the largest reservoir in the province. Water is backed up behind the Bighorn Dam (built in 1972) on the North Saskatchewan River. There is a fascinating phenomenon that happens every winter when methane gas bubbles derived from below get trapped in the ice on the lake. This creates wonderful patterns and effects in the ice. The ice bubbles are thought to be derived from decomposing organic material…